Overall Satisfaction: This score is based on how customers rate every aspect of their experience with their current wireless Smartphone. Close Operation: This score measures how customers rate their Smartphone's usability of basic features, functionality and ease of navigating menu screens. Close Operating System: This score measures how customers rate their Smartphone's operating system speed and ability to move between applications, navigate the internet, view and send e-mail, and transfer files.  Close Physical Design: This score measures how customers rate their Smartphone's visual appeal and weight.  It also measures the size, clarity, and resistance to scratches of the Smartphone's display screen.    Close